Neocaridina shrimp are very popular because of their bright, rainbow colors and algae-eating abilities. Learn how to care for and breed this beautiful dwarf shrimp.
Not sure which breeding project to try next in your 20-gallon aquarium? Learn about our 5 favorite fish and invertebrates that are easy to spawn and raise up in a colony setting.
Too much or too little light in a planted aquarium can cause algae growth. Learn how to fine-tune the lighting for your specific tank and plant selection.
The rummy-nose tetra is known for its reddish face, tight schooling behavior, and ability to warn you of potential problems. Learn about this unique and dazzling species.
Liven up your next community tank with a school of colorful rainbowfish and blue-eyes. Learn about our top 10 favorites, from the tiny Spotted Blue-Eye to the hefty Red Rainbow.
If you are thinking of setting up a nano planted tank, then you have to try chili rasboras — a stunning, cool-toned red fish with a bold, black stripe.
Fish diseases can be hard to diagnose, but if you see red worms coming from your fish, it could be Camallanus worms. Learn about their causes, symptoms, and treatment.
Wish you had a school of tiny, flame-colored fish swimming amongst a lush forest of green aquarium plants? Then you definitely need to try ember tetras.
Not sure which aquarium fertilizer to use? Learn about the Easy Fertilizer line that makes growing planted tanks easy and fun for both beginners and veterans.
Looking for a fish that is strange looking, has unique behaviors, or is rare in the hobby? Learn about 5 of the coolest oddballs you can keep in a 20-gallon tank.